function text(a,b) {
    console.log(a);
    c = 0;
    var c;
    a = 3;
    b = 2;
    console.log(b);
    function b(){}
    function d(){}
    console.log(b);
}

// AO: {
//     a: undefined -> 1 -> 3 ,
//     b: undefined -> function () {} ->2,
//     c: undefined -> 0,
//     d: function () {}
// }